kernel: remove support for kernel 4.19

We use 5.4 on all targets by default, and 4.19 has never been released
in a stable version. There is no reason to keep it.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

1 files changed, 0 insertions, 204 deletions

diff --git a/target/linux/generic/pending-4.19/750-net-phylink-delay-MAC-configuration-for-copper-SFP-m.patch b/target/linux/generic/pending-4.19/750-net-phylink-delay-MAC-configuration-for-copper-SFP-m.patch
deleted file mode 100644
index 358b9a1082..0000000000
--- a/target/linux/generic/pending-4.19/750-net-phylink-delay-MAC-configuration-for-copper-SFP-m.patch
+++ /dev/null
@@ -1,204 +0,0 @@
-From eb514428f75bc67d12ff019c44a8f8ca9f33c54c Mon Sep 17 00:00:00 2001
-From: Russell King <rmk+kernel@armlinux.org.uk>
-Date: Thu, 21 Nov 2019 17:42:49 +0000
-Subject: [PATCH 653/660] net: phylink: delay MAC configuration for copper SFP
- modules
-
-Knowing whether we need to delay the MAC configuration because a module
-may have a PHY is useful to phylink to allow NBASE-T modules to work on
-systems supporting no more than 2.5G speeds.
-
-This commit allows us to delay such configuration until after the PHY
-has been probed by recording the parsed capabilities, and if the module
-may have a PHY, doing no more until the module_start() notification is
-called.  At that point, we either have a PHY, or we don't.
-
-We move the PHY-based setup a little later, and use the PHYs support
-capabilities rather than the EEPROM parsed capabilities to determine
-whether we can support the PHY.
-
-Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
----
- drivers/net/phy/phylink.c | 59 +++++++++++++++++++++++++++++++--------
- drivers/net/phy/sfp-bus.c | 28 +++++++++++++++++++
- include/linux/sfp.h       |  7 +++++
- 3 files changed, 83 insertions(+), 11 deletions(-)
-
---- a/drivers/net/phy/phylink.c
-+++ b/drivers/net/phy/phylink.c
-@@ -72,6 +72,9 @@ struct phylink {
- 	bool mac_link_dropped;
- 
- 	struct sfp_bus *sfp_bus;
-+	bool sfp_may_have_phy;
-+	__ETHTOOL_DECLARE_LINK_MODE_MASK(sfp_support);
-+	u8 sfp_port;
- };
- 
- static inline void linkmode_zero(unsigned long *dst)
-@@ -1633,7 +1636,7 @@ static void phylink_sfp_detach(void *ups
- 	pl->netdev->sfp_bus = NULL;
- }
- 
--static int phylink_sfp_config(struct phylink *pl, u8 mode, u8 port,
-+static int phylink_sfp_config(struct phylink *pl, u8 mode,
- 			      const unsigned long *supported,
- 			      const unsigned long *advertising)
- {
-@@ -1707,7 +1710,7 @@ static int phylink_sfp_config(struct phy
- 			    phy_modes(config.interface));
- 	}
- 
--	pl->link_port = port;
-+	pl->link_port = pl->sfp_port;
- 
- 	if (changed && !test_bit(PHYLINK_DISABLE_STOPPED,
- 				 &pl->phylink_disable_state))
-@@ -1720,15 +1723,20 @@ static int phylink_sfp_module_insert(voi
- 				     const struct sfp_eeprom_id *id)
- {
- 	struct phylink *pl = upstream;
--	__ETHTOOL_DECLARE_LINK_MODE_MASK(support) = { 0, };
--	u8 port;
-+	unsigned long *support = pl->sfp_support;
- 
- 	ASSERT_RTNL();
- 
-+	linkmode_zero(support);
- 	sfp_parse_support(pl->sfp_bus, id, support);
--	port = sfp_parse_port(pl->sfp_bus, id, support);
-+	pl->sfp_port = sfp_parse_port(pl->sfp_bus, id, support);
- 
--	return phylink_sfp_config(pl, MLO_AN_INBAND, port, support, support);
-+	/* If this module may have a PHY connecting later, defer until later */
-+	pl->sfp_may_have_phy = sfp_may_have_phy(pl->sfp_bus, id);
-+	if (pl->sfp_may_have_phy)
-+		return 0;
-+
-+	return phylink_sfp_config(pl, MLO_AN_INBAND, support, support);
- }
- 
- static int phylink_sfp_module_start(void *upstream)
-@@ -1736,10 +1744,19 @@ static int phylink_sfp_module_start(void
- 	struct phylink *pl = upstream;
- 
- 	/* If this SFP module has a PHY, start the PHY now. */
--	if (pl->phydev)
-+	if (pl->phydev) {
- 		phy_start(pl->phydev);
--		
--	return 0;
-+		return 0;
-+	}
-+
-+	/* If the module may have a PHY but we didn't detect one we
-+	 * need to configure the MAC here.
-+	 */
-+	if (!pl->sfp_may_have_phy)
-+		return 0;
-+
-+	return phylink_sfp_config(pl, MLO_AN_INBAND,
-+				  pl->sfp_support, pl->sfp_support);
- }
- 
- static void phylink_sfp_module_stop(void *upstream)
-@@ -1773,10 +1790,30 @@ static void phylink_sfp_link_up(void *up
- static int phylink_sfp_connect_phy(void *upstream, struct phy_device *phy)
- {
- 	struct phylink *pl = upstream;
--	phy_interface_t interface = pl->link_config.interface;
-+	__ETHTOOL_DECLARE_LINK_MODE_MASK(supported);
-+	__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising);
-+	phy_interface_t interface;
- 	int ret;
- 
--	ret = phylink_attach_phy(pl, phy, pl->link_config.interface);
-+	/*
-+	 * This is the new way of dealing with flow control for PHYs,
-+	 * as described by Timur Tabi in commit 529ed1275263 ("net: phy:
-+	 * phy drivers should not set SUPPORTED_[Asym_]Pause") except
-+	 * using our validate call to the MAC, we rely upon the MAC
-+	 * clearing the bits from both supported and advertising fields.
-+	 */
-+	phy_support_asym_pause(phy);
-+
-+	ethtool_convert_legacy_u32_to_link_mode(supported, phy->supported);
-+	ethtool_convert_legacy_u32_to_link_mode(advertising, phy->advertising);
-+
-+	/* Do the initial configuration */
-+	ret = phylink_sfp_config(pl, ML_AN_INBAND, supported, advertising);
-+	if (ret < 0)
-+		return ret;
-+
-+	interface = pl->link_config.interface;
-+	ret = phylink_attach_phy(pl, phy, interface);
- 	if (ret < 0)
- 		return ret;
- 
---- a/drivers/net/phy/sfp-bus.c
-+++ b/drivers/net/phy/sfp-bus.c
-@@ -102,6 +102,7 @@ static const struct sfp_quirk *sfp_looku
- 
- 	return NULL;
- }
-+
- /**
-  * sfp_parse_port() - Parse the EEPROM base ID, setting the port type
-  * @bus: a pointer to the &struct sfp_bus structure for the sfp module
-@@ -178,6 +179,33 @@ int sfp_parse_port(struct sfp_bus *bus,
- EXPORT_SYMBOL_GPL(sfp_parse_port);
- 
- /**
-+ * sfp_may_have_phy() - indicate whether the module may have a PHY
-+ * @bus: a pointer to the &struct sfp_bus structure for the sfp module
-+ * @id: a pointer to the module's &struct sfp_eeprom_id
-+ *
-+ * Parse the EEPROM identification given in @id, and return whether
-+ * this module may have a PHY.
-+ */
-+bool sfp_may_have_phy(struct sfp_bus *bus, const struct sfp_eeprom_id *id)
-+{
-+	if (id->base.e1000_base_t)
-+		return true;
-+
-+	if (id->base.phys_id != SFF8024_ID_DWDM_SFP) {
-+		switch (id->base.extended_cc) {
-+		case SFF8024_ECC_10GBASE_T_SFI:
-+		case SFF8024_ECC_10GBASE_T_SR:
-+		case SFF8024_ECC_5GBASE_T:
-+		case SFF8024_ECC_2_5GBASE_T:
-+			return true;
-+		}
-+	}
-+
-+	return false;
-+}
-+EXPORT_SYMBOL_GPL(sfp_may_have_phy);
-+
-+/**
-  * sfp_parse_support() - Parse the eeprom id for supported link modes
-  * @bus: a pointer to the &struct sfp_bus structure for the sfp module
-  * @id: a pointer to the module's &struct sfp_eeprom_id
---- a/include/linux/sfp.h
-+++ b/include/linux/sfp.h
-@@ -533,6 +533,7 @@ struct sfp_upstream_ops {
- #if IS_ENABLED(CONFIG_SFP)
- int sfp_parse_port(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
- 		   unsigned long *support);
-+bool sfp_may_have_phy(struct sfp_bus *bus, const struct sfp_eeprom_id *id);
- void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
- 		       unsigned long *support);
- phy_interface_t sfp_select_interface(struct sfp_bus *bus,
-@@ -556,6 +557,12 @@ static inline int sfp_parse_port(struct
- 	return PORT_OTHER;
- }
- 
-+static inline bool sfp_may_have_phy(struct sfp_bus *bus,
-+				    const struct sfp_eeprom_id *id)
-+{
-+	return false;
-+}
-+
- static inline void sfp_parse_support(struct sfp_bus *bus,
- 				     const struct sfp_eeprom_id *id,
- 				     unsigned long *support)